SOLUTION: Please solve x^2+4=13 Thank you

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Question 297937: Please solve
x^2+4=13
Thank you
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x^2+4=13
x^2-9=0
(x+3)(x-3)=0
x+3=0
x=-3 ans.
x-3=0
x=3 ans.